./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:55:49,479 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:55:49,549 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/config/svcomp-DerefFreeMemtrack-32bit-Kojak_Default.epf [2023-11-24 22:55:49,554 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:55:49,555 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:55:49,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:55:49,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:55:49,583 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:55:49,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:55:49,589 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:55:49,590 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:55:49,590 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:55:49,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:55:49,592 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2023-11-24 22:55:49,593 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2023-11-24 22:55:49,593 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2023-11-24 22:55:49,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:55:49,594 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:55:49,594 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:55:49,595 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:55:49,595 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:55:49,596 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:55:49,596 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:55:49,597 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:55:49,597 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:49,598 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:55:49,598 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:55:49,599 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:55:49,599 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:55:49,599 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 535caea86e22f289c2fcb0364594f5e7b1dfaabfa814e56099346e6a240c0067 [2023-11-24 22:55:49,943 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:55:49,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:55:49,977 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:55:49,979 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:55:49,979 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:55:49,981 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2023-11-24 22:55:53,008 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:55:53,425 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:55:53,426 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/sv-benchmarks/c/list-simple/dll2c_insert_equal.i [2023-11-24 22:55:53,439 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/data/572858c97/0ff9bf8308cb4109b5f07fc427b1eb84/FLAG64e82334a [2023-11-24 22:55:53,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/data/572858c97/0ff9bf8308cb4109b5f07fc427b1eb84 [2023-11-24 22:55:53,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:55:53,628 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:55:53,629 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:53,629 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:55:53,634 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:55:53,635 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:53" (1/1) ... [2023-11-24 22:55:53,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fb4115 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:53, skipping insertion in model container [2023-11-24 22:55:53,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:55:53" (1/1) ... [2023-11-24 22:55:53,697 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:55:54,130 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:54,145 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:55:54,228 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:55:54,275 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:55:54,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54 WrapperNode [2023-11-24 22:55:54,276 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:55:54,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:54,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:55:54,278 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:55:54,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,331 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,371 INFO L138 Inliner]: procedures = 127, calls = 54, calls flagged for inlining = 10, calls inlined = 12, statements flattened = 193 [2023-11-24 22:55:54,371 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:55:54,372 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:55:54,372 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:55:54,373 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:55:54,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,384 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,389 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,390 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,417 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,420 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,422 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,426 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:55:54,427 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:55:54,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:55:54,428 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:55:54,429 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:55:54" (1/1) ... [2023-11-24 22:55:54,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:55:54,450 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:55:54,466 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:55:54,490 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ec5a2192-d4fb-47cb-9d9b-7e4cc6e317a5/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:55:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:55:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 22:55:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 22:55:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:55:54,513 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:55:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 22:55:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 22:55:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:55:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 22:55:54,514 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:55:54,515 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:55:54,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:55:54,645 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:55:54,647 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:55:55,332 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:55:55,460 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:55:55,460 INFO L309 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-24 22:55:55,461 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:55 BoogieIcfgContainer [2023-11-24 22:55:55,462 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:55:55,486 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:55:55,486 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:55:55,494 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:55:55,495 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:55:55" (1/1) ... [2023-11-24 22:55:55,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:55:55,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 154 states and 168 transitions. [2023-11-24 22:55:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 168 transitions. [2023-11-24 22:55:55,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:55:55,573 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:55,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:55,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 153 states and 167 transitions. [2023-11-24 22:55:55,936 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 167 transitions. [2023-11-24 22:55:55,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:55:55,936 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:55,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:55,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 152 states and 166 transitions. [2023-11-24 22:55:56,268 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 166 transitions. [2023-11-24 22:55:56,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:56,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 151 states and 165 transitions. [2023-11-24 22:55:56,351 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 165 transitions. [2023-11-24 22:55:56,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:55:56,352 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 150 states and 164 transitions. [2023-11-24 22:55:56,702 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 164 transitions. [2023-11-24 22:55:56,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:55:56,703 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,776 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 149 states and 163 transitions. [2023-11-24 22:55:56,806 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 163 transitions. [2023-11-24 22:55:56,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 22:55:56,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:56,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:56,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 148 states and 162 transitions. [2023-11-24 22:55:56,900 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 162 transitions. [2023-11-24 22:55:56,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:55:56,900 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:56,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:56,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:56,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 149 states and 164 transitions. [2023-11-24 22:55:57,149 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 164 transitions. [2023-11-24 22:55:57,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:57,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 148 states and 163 transitions. [2023-11-24 22:55:57,236 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 163 transitions. [2023-11-24 22:55:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 22:55:57,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 147 states and 162 transitions. [2023-11-24 22:55:57,357 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 162 transitions. [2023-11-24 22:55:57,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:55:57,357 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 146 states and 161 transitions. [2023-11-24 22:55:57,409 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 161 transitions. [2023-11-24 22:55:57,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 22:55:57,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 145 states and 160 transitions. [2023-11-24 22:55:57,504 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 160 transitions. [2023-11-24 22:55:57,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:57,505 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 144 states and 159 transitions. [2023-11-24 22:55:57,557 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 159 transitions. [2023-11-24 22:55:57,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:55:57,558 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 143 states and 158 transitions. [2023-11-24 22:55:57,658 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 158 transitions. [2023-11-24 22:55:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:55:57,659 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:57,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:57,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 142 states and 157 transitions. [2023-11-24 22:55:57,778 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 157 transitions. [2023-11-24 22:55:57,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:55:57,778 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:57,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:57,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:57,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:58,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:58,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 141 states and 156 transitions. [2023-11-24 22:55:58,122 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 156 transitions. [2023-11-24 22:55:58,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:55:58,123 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:58,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:58,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:55:59,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:55:59,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 149 states and 169 transitions. [2023-11-24 22:55:59,171 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 169 transitions. [2023-11-24 22:55:59,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:55:59,172 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:55:59,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:55:59,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:55:59,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:00,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:00,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 157 states and 182 transitions. [2023-11-24 22:56:00,506 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 182 transitions. [2023-11-24 22:56:00,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:00,509 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:00,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:00,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:00,716 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:02,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:02,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 163 states and 189 transitions. [2023-11-24 22:56:02,360 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 189 transitions. [2023-11-24 22:56:02,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:02,363 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:02,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:02,669 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:05,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:05,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 174 states and 217 transitions. [2023-11-24 22:56:05,038 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 217 transitions. [2023-11-24 22:56:05,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:05,039 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:05,039 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:08,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:08,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 185 states and 247 transitions. [2023-11-24 22:56:08,795 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 247 transitions. [2023-11-24 22:56:08,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:08,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:08,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:08,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:10,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:10,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 189 states and 260 transitions. [2023-11-24 22:56:10,601 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 260 transitions. [2023-11-24 22:56:10,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 22:56:10,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:10,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:11,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:14,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 193 states and 276 transitions. [2023-11-24 22:56:14,359 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 276 transitions. [2023-11-24 22:56:14,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:14,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:14,450 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:14,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 192 states and 275 transitions. [2023-11-24 22:56:14,481 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 275 transitions. [2023-11-24 22:56:14,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:14,482 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:14,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:14,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 191 states and 274 transitions. [2023-11-24 22:56:14,643 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 274 transitions. [2023-11-24 22:56:14,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:14,665 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:14,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 190 states and 273 transitions. [2023-11-24 22:56:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 273 transitions. [2023-11-24 22:56:14,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 22:56:14,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:14,902 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:14,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:14,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 189 states and 272 transitions. [2023-11-24 22:56:14,951 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 272 transitions. [2023-11-24 22:56:14,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:14,956 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:14,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:14,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:15,025 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:15,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 188 states and 271 transitions. [2023-11-24 22:56:15,049 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 271 transitions. [2023-11-24 22:56:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 22:56:15,050 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:15,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:15,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:15,207 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:15,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:15,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 187 states and 270 transitions. [2023-11-24 22:56:15,233 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 270 transitions. [2023-11-24 22:56:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:56:15,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:15,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-24 22:56:22,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 204 states and 310 transitions. [2023-11-24 22:56:22,607 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 310 transitions. [2023-11-24 22:56:22,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 22:56:22,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:23,694 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:31,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 221 states and 349 transitions. [2023-11-24 22:56:31,790 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 349 transitions. [2023-11-24 22:56:31,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:31,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:36,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 228 states and 363 transitions. [2023-11-24 22:56:36,565 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 363 transitions. [2023-11-24 22:56:36,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:36,566 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:36,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2023-11-24 22:56:41,782 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2023-11-24 22:56:41,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-24 22:56:41,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,044 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.